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主动脉瘤手术的体外循环管理方法探讨 被引量:2

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摘要 目的探讨主动脉瘤手术中的体外循环管理方法。方法体外循环下完成主动脉瘤手术75例。Bentall手术采用升主动脉—右房插管,中低温体外循环;升主及半弓置换手术、全主动脉弓置换(象鼻术)+带膜支架植入手术采用右侧锁骨下动脉—右房插管,深低温停循环+顺行性脑灌注。心肌保护均采用4∶1含血冷停搏液顺行+逆行方法灌注以及HTK心脏停搏液重力滴入。结果顺利完成手术。体外循环时间115~389 min。主动脉阻断时间53~243.5 min;深低温停循环46例,停循环时间25~70 min,停循环最低鼻咽温13.2~16.2℃;灌注中尿量100~2 800 ml。超滤1 100~4 000 ml。术后呼吸机辅助时间8~217 h;术后24 h胸腔引流量490~1 850 ml。46例深低温停循环患者中除去1例脑血管发育异常,术后发生认知障碍,其余患者脑保护良好,另有1例术后因多脏器功能衰竭死亡。结论 Bentall手术应采用升主动脉—右房插管,中低温体外循环;升主及半弓置换手术、全主动脉弓置换(象鼻术)+带膜支架植入手术应采用右侧锁骨下动脉—右房插管、深低温停循环+顺行性脑灌注。心肌保护应采用4∶1含血冷停搏液顺行+逆行方法灌注以及HTK心脏停搏液重力滴入。
出处 《山东医药》 CAS 北大核心 2010年第38期54-56,共3页 Shandong Medical Journal
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